Labelled nucleotides

a technology of labelled nucleotides and nucleotides, which is applied in the field of labelled nucleotides, can solve the problems that nucleotides are difficult to incorporate onto existing polynucleotides, and achieve the effect of being particularly useful in sequencing reactions

Inactive Publication Date: 2008-08-19
ILLUMINA CAMBRIDGE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these nucleotides proved to be difficult to incorporate onto an existing polynucleotide, due to an inability to fit into the polymerase enzyme active site.

Method used

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  • Labelled nucleotides
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Embodiment Construction

[0029]The nucleotide or nucleoside molecules of the invention each have a base that is linked to a detectable label via linkers that may be cleaved by contact with water-soluble phosphines or water-soluble transition metal-containing catalysts described in greater detail hereinafter. Preferably moiety “T” is hydrogen. The base can be a purine, or a pyrimidine. The base can be a deazapurine. The molecule can have a ribose or deoxyribose sugar moiety. The ribose or deoxyribose sugar can include a protecting group attached via the 2′ or 3′ oxygen atom. The protecting group can be removed to expose a 3′-OH. The molecule can be a deoxyribonucleotide triphosphate. The detectable label can be a fluorophore.

[0030]The invention also embraces oligonucleotides which comprise one or more nucleotides of the invention. Preferably, at least one nucleotide of the invention is present at a terminal position in such aoligonucleotide.

[0031]The linker may be attached to the 5-position in pyrimidines or...

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Abstract

The invention provides a nucleotide or nucleoside having a base attached to a detectable label via a cleavable linker, characterised in that the cleavable linker contains a moiety selected from the group comprising: Formula (I) wherein X is selected from the group comprising O, S, NH and NQ wherein Q is a C1-10 substituted or unsubstituted alkyl group, Y is selected from the group comprising O, S, NH and N(allyl), T is hydrogen or a C1-10 substituted or unsubstituted alkyl group and * indicates where the moiety is connected to the remainder of the nucleotide or nucleoside).

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]The present application is a National Stage Application claiming the priority of co-pending PCT Application No. PCT / GB2003 / 003690, filed Aug. 22, 2003, which in turn claims priority from U.S. application Ser. No. 10 / 227,131, filed Aug. 23, 2002. Applicants claim the benefits of 35 U.S.C. § 120 as to the PCT application and the United States application, and the entire disclosures of both applications are incorporated herein by reference in their entireties.FIELD OF THE INVENTION[0002]This invention relates to labelled nucleotides. In particular, this invention discloses nucleotides having a removable detectable label and their use in polynucleotide sequencing methods.BACKGROUND[0003]Advances in the study of molecules have been led, in part, by improvement in technologies used to characterise the molecules or their biological reactions. In particular, the study of the nucleic acids DNA and RNA has benefited from developing technologies use...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): C07H21/00C07H21/02C12Q1/68C12P19/34C07H19/04C07H19/06C07H19/10C07H19/16C07H19/20
CPCC07H19/06C07H19/10C07H19/16C07H19/20C12Q1/6869C07H21/00Y10T436/143333C12Q2535/113C12Q2525/186C07H19/04C07H19/14C07H21/04C12Q1/6874
Inventor MILTON, JOHNRUEDIGER, SILKELIU, XIAOHAI
Owner ILLUMINA CAMBRIDGE LTD
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